How to Change the Color Coding on a Microsoft Excel Graph Legend. Color can make it easier for people to identify important information, such as legends on an Excel graph.

In this post we show you how to create a Bar Graph or Column Chart in Excel. Bar graphs could be both 2-D or 3-D depending on the editor you use.

How to make a bar graph in Excel. First, open the Excel application and retrieve the spreadsheet you're pulling the data from. The bar graph needs to have a range of data before you can make it.

The design in Figure 1 obviates the shortcomings of these approaches and uses only one port line to drive an eight-segment bar graph. This design does not use a PWM output and hence can apply to any ...